Modality in language acquisition = Modalite et acquisition des langues/ 
edited by Norbert Dittmarr, Astrid Reich 
 - Berlin :  Walter de Gruyter,  c1993 
 - xxiv, 382 p.;  23 cm. 
 - Sociolinguistics and language contact  v. 6 .
<br/><br/> Papers presented at a conference held May 1989 , Free University, Berlin  Text in English and French 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>3110123789  Dm216.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Study and teaching--Congresses<br/>Second language acquisition--Congresses<br/>Modality (Linguistics)--Congresses<br/>Language acquisition--Congresses
<br/><br/><label>Dewey Class. No.: </label>418